The word "defenselessnesses" represents a state of vulnerability, where one lacks the means to protect themselves from harm. Antonyms for defenselessnesses include strength, power, invincibility, and resilience. These words symbolize the ability to defend oneself against adversaries, be it physical or psychological. Courage, bravery, fortitude, and toughness are also antonyms for defenselessnesses, as they exemplify the ability to face danger and overcome fear. Additionally, assertiveness, protection, safety, and security are antonyms for defenselessnesses, as they represent the assurance of being shielded from harm. In short, antonyms for defenselessnesses are words that represent security, safety, and the ability to defend oneself, contrary to the feeling of vulnerability and helplessness conveyed by defenselessnesses.